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    <div class="refentry">
      <a id="mixer"></a>
      <div class="titlepage"></div>
      <div class="refnamediv">
        <h2>
          <span class="refentrytitle">mixer</span>
        </h2>
        <p>mixer — 
      Mixes together a number of soundfiles.
      <a id="IndexMixer" class="indexterm"></a>
    </p>
      </div>
      <div class="refsect1">
        <a id="idp223868784"></a>
        <h2>Description</h2>
        <p>
        Mixes together a number of soundfiles, starting at different
    times and with individual channel selection from the input files.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp223910208"></a>
        <h2>Syntax</h2>
        <pre class="synopsis"><span class="command"><strong>mixer</strong></span> [OPTIONS ... ] infile [[OPTIONS... ] infile] ...</pre>
      </div>
      <div class="refsect1">
        <a id="idp223912096"></a>
        <h2>Initialization</h2>
        <p>
      Flags:
    </p>
        <div class="itemizedlist">
          <ul class="itemizedlist" style="list-style-type: disc; ">
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>A</em></span>
            = Generate an AIFF output file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>W</em></span>
            = Generate an WAV output file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>h</em></span>
            = Generate an output file with no header.
        </p>
            </li>
            <li class="listitem">
              <p>
              -<span class="emphasis"><em>c</em></span>
            = Generate 8-bit signed_char sound samples.
        </p>
            </li>
            <li class="listitem">
              <p>
              -<span class="emphasis"><em>a</em></span>
            = Generate alaw sound samples.
        </p>
            </li>
            <li class="listitem">
              <p>
              -<span class="emphasis"><em>u</em></span>
            = Generate ulaw sound samples.
        </p>
            </li>
            <li class="listitem">
              <p>
              -<span class="emphasis"><em>s</em></span>
            = Generate short integer sound samples.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>l</em></span>
            = Generate long (32 bit) integer sound samples.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>f</em></span>
            = Generate floating point samples.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>F arg</em></span>
            = Specifies the gain to be applied to the following 
            input file.  If arg is a
            floating point number that gain is applied uniformly to
            the input.  Alternatively it could be a file name which
            specifies a breakpoint file for varying the gain for
            different periods.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>S integer</em></span>
            = Indicate at which sample to start to mix in the next
            input file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>T fpnum</em></span>
            = Indicate at which time (in seconds) to start to mix in the next
            input file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>1</em></span>
            = Mix in channel 1 from next sound file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>2</em></span>
            = Mix in channel 2 from next sound file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>3</em></span>
            = Mix in channel 3 from next sound file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>4</em></span>
            = Mix in channel 4 from next sound file.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>^ intx inty</em></span>
            = Mix in channel x from next sound file as channel y in
            the output.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>v</em></span>
            = Verbose mode.
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>R</em></span>
            = Continually rewrite the header while writing soundfile
            (WAV/AIFF). 
        </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>H integer</em></span>
            = Show a "heart-beat" to indicate progress, in style 1,
            2 or 3.          </p>
            </li>
            <li class="listitem">
              <p>
            -<span class="emphasis"><em>N</em></span>
            = Alert call (usually ringing the bell) when finished.
        </p>
            </li>
            <li class="listitem">
              <p>
                      -<span class="emphasis"><em>o fname</em></span>
                      = output file name (default: test.wav)
              </p>
            </li>
          </ul>
        </div>
      </div>
      <div class="refsect1">
        <a id="idp223941856"></a>
        <h2>Examples</h2>
        <p>

        The default values are
</p>
        <pre class="programlisting">
    <span class="emphasis"><em>mixer</em></span> -s -otest -F 1.0 -S 0</pre>
        <p>

    For example
</p>
        <pre class="programlisting">
    <span class="emphasis"><em>mixer</em></span> -F 0.96 in1.wav -S 300 -2 in2.aiff -S 300 -^4 1 in3.wav -o out.wav</pre>
        <p>


  		This creates a new sound file with a constant gain of
  		0.96 from in1.wav with the second channel of in2.aiff
  		mixed in after 300 samples and channel 4 of in3.wav
  		outpout as channel 1 after 300 samples.
  	</p>
      </div>
      <div class="refsect1">
        <a id="idp223945616"></a>
        <h2>Credits</h2>
        <p>Author: John ffitch</p>
        <p>1994</p>
      </div>
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